Kagerl, Christian; Schierholz, Malte; Fitzenberger, Bernd - 2022
-cost survey initiated during the Covid19 pandemic (BeCovid) and a low-frequency and high-cost long-running survey (BP). Merging … administrative records on actual use of STW, firms that use STW prove more likely to participate in the BeCovid survey … the over-reporting of STW use in the survey month, while - crucially - the over-reporting drops sharply with a few months …